They are less threatened because they are more adapted to their environment therefore will survive drastic environmental change. This is because they are more diverse: they have evolved more.
Answer: its B: I, II, III, and IV
Explanation: i took the K12 test
Food webs with fewer species are more sensitive to the loss of species and ecosystem disturbances
Answer: C: Contain chloroplast that perform photosynthesis.
Explanation: Process of elimination deems C correct!